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Naini Tal & Kumaun, 3rd. ed., rev. and enlarged / by C.W. Murphy, 1921. Naini Tal / Allahabad : Government Press, 1928. Angling in the Kumaun Lakes / by W. Walker. Calcutta : Thacker, Spink and Co., 1888.
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Naini Tal & the Kumaon Lakes : an anthology of 3 early guide books. ISBN 9781904289159. Published by Pagoda Tree Press in 2010. Publication and catalogue information, links to buy online and reader comments.